The recent outburst of Business Intelligence applications use in enterprises, and the way enterprises are getting helped by collecting, analyzing, warehousing and mining data is watched with great curiosity in the knowledge industry. Of all the Business Intelligence subjects we have seen, Data Warehousing is the largest in market size. In addition to the data itself, the technologies, tools, methodologies, hardware, software, storage systems are constituent to this.

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Relational database is rooted in theory of normalization, where in both the physical and the logical data are separate. The advantage of RDBMS is that it gives a lot of flexibility in terms of storage of the data. The data can be stored physically and the output given to the user will not be affected.

Relational database is considered a group of two dimensional tables known as relations. Every table consists of rows known as tuples and columns known as domains. The relationship among both tables are made with one column of one table, having the same meaning in the other table, it does not refer to having same value.

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The Microsoft SQL based server is a type of relational database management system. The basic query language is the Transact – SQL, which is the implementation of the ISO/ANSI standard SQL (Structured Query Language) used by both Sybase and Microsoft.

The Microsoft SQL server makes use of the variant of the SQL called as the T-SQL, which is implementation of the SQL-92. The T (Transact)-SQL chiefly adds the additional syntax for usage in the stored procedure and affects the language of the transaction support.

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One of the biggest challenges that any organization or a business faces is of storage and management of data. The data could be anything and pertaining to anyone – it could be the employee records, sales records, the invoicing details, etc. Computers came across as a boon, to these organizations as it could systematically organize the data and gave the desired outputs required too.

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In you are interested in having an idea about the maintaining, building, retrieving data and designing, then the best technique is to know about the data warehousing. The data warehousing is generated and premeditated to support the organization in decision making process. It is simpler to answer all kinds of queries when the production database system gets copied in the organizations warehouse. With this, it will not even hamper the constancy of the system of production. It has the ability to provide all the details of the business organization that could have been done by the person who manually reviews all the warehousing data. Therefore, the data warehousing is a very important and powerful tool as regards improvising decision making process of your business organization

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